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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. When are steers and heifers weaned from bottle feeding?






2. 1. need to be restricted in amt of grain - 2. no more than 70% of ration can be concentrates. 3. *Acidic acid has to be produced in order for milk synthesis to occur (30% forages)






3. Can survive ~7 days in cow. vast majority <48 hours






4. Knife-loose ~1wk of growth. band-loose ~2wks of growth.






5. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.






6. Cycle that lasts weeks (ovulation->hormone cycles->ovulation)






7. Scar tissue plugs up chambers of udder






8. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.






9. Sperm is produced here






10. Earlier you castrate a male - the easier it is on the animal. the longer you wait - death rates increase






11. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






12. Duct through penis that carries sperm and urine






13. Contains and regulates the temp of the testes for sperm production






14. Birthing process (termination of gestation)






15. Scar tissue plugs up chambers of udder






16. Why Dairy calves are fed powdered milk.






17. Located directly in front of the cervix. fertilized egg implants here. connected to two uterine horns. implantation occurs on the same side as ovulation occurred.






18. So when offspring are born - there is more food to be found for energy stores and fat deposits IN THE SPRING






19. (male) pushes the testes upward toward the body for warmth or protection






20. Superior genes are _______ to multiply






21. Castration tool that uses a band around the testicles which cuts off circulation and eventually the testicles fall off






22. Pulls sperm and egg together - gets body ready for pregnany - stimulates growth cells - develops mammary glands - starts to deposit fat.






23. (FSH) helps to regulate puberty - needed every day - stimulates the sertoli cells to produce nutrients for the sperm






24. Male on one pin and female on other side






25. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






26. (switzerland) 2nd in size and milk production - most muscle -






27. Animals which have many estrous periods during certain periods per year (ex: mare - ewe)






28. 1. visual evaluation - 2. scrotal circumference - 3. penis and prepuce observation - 4. rectal palpation - 5. libido test - 6. semen evaluation






29. Implies the amount of estrogen production






30. (male) Primary sex organ - produces sperm (male gamete) and male sex hormones - 2 total






31. 336 days






32. Provide nourishment for the developing sperm






33. Allows extension of penis without fibro-elastic penis






34. 14-19 (17) days






35. Why does estrus happen before ovulation?






36. 24 hours before end of estrus cycle






37. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has






38. FEED






39. Earlier you castrate a male - the easier it is on the animal. the longer you wait - death rates increase






40. Milk made by mother which includes antibodies for the calf. MUST be given to the calf within the first 24 hrs of life. also provides calf with energy stores. effectiveness lasts from 4-8 months of age.






41. Urinary calculi.






42. 2 month growth cycle. stored in the epididymis of the bull






43. 16-20 hours






44. 1-2 days






45. Milk ~305 days - dry 60 days prior to calving






46. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders






47. What helps regulate spermatogenesis?






48. Larger the cow - more milk is produced; smaller the cow - less milk is produced






49. ~305 days (altough often longer due to breeding difficulties)






50. 1. brain function - 2. blood flow - 3. willing female







Sorry!:) No result found.

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